3Murray JF, Malthay MA, Luce JM, et al. An expanded definition of the adult respiratory distress syndrome. Am Rev Respir Dis, 2003. 138:720.
4Lee A. Abdullaha S. Severe acute respiratorvs yndrome a challenge for public health practicein Hong Kong. J Epidemiol Community Health,2003,57 : 655-658.
5Ksiazek. TG, Erdman D, Goldsmith CS, A Novel of Coronavirus associared with Severe Acute Respiratoty Syndrome[J]. NFnyl J Med 2003 ; published at www. nejm ory on Apr 10,2003.
6Radinlogical Appearances of Recent Cases of Atypical Pneumonia in Hong Kong. May21,2003,availahle at http://www. droid. cuhk/web/aty pical pneumonia/arypical pneumonia. htm.
